MBA Exam

ABC is a right angled triangle. The coordinates of A,B,C are (0,0) (10,10) and (-10,10).How many points on/inside the triangle have integer coordinates?

1) 121
2) 169
3) 256
4) 196

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MBA Other Question

Find the real solutions to x, y & z if :log10(2000xy) - log10x log10y = 4,log10(2yz) - log10y log10z = 1,log10zx - log10z log10x = 0.

1) (1, 5, 1), (100, 20, 100)
2) (10, 4, 3), (100, 20, 100)
3) (1, 5, 1), (120, 25, 120)
4) None of these
N! is completely divisible by 13^52. What is sum of the digits of the smallest such number N?(a) 11 (b) 15 (c) 16 (d) 19

1) a
2) b
3) c
4) d